package cn.edu.scau.cmi.chenxiaoqin.exercise5;

public class Tixing {
	double above, bottom, height;
	Tixing( double a, double b, double h) {
	above = a;
	bottom = b;
	height = h;
	}
	double getArea() {
	return (above+ bottom) * height/2;
	}
}
